Cops tie Spider-Man robber to 4th holdup, in Elmwood Park

The robbery of a convenience store in Elmwood Park Monday is believed to be the work of a man wearing a Spider-Man ski mask who also has robbed three stores on Chicago's Northwest Side, authorities said.

No injuries were reported during Monday's attack, which happened in the 2900 block of North Harlem Avenue near the city's border, according to police News Affairs Officer John Mirabelli.

"He was wearing a similar mask during the armed robbery,'' Mirabelli said.

Thursday night, a convenience store in the 3700 block of North Harlem Avenue in the city was robbed around 7:45 p.m. by a man in a red ski mask with stripes, Mirabelli said.

The man had a scarf over his mouth and was carrying a handgun, possibly a 9mm pistol, police said.

The has twice robbed a 7-Eleven about 10 blocks away, police said.

On Tuesday, the 7-Eleven store in the 2700 block of North Harlem Avenue was robbed about 5 a.m. by a man in a Spider-Man ski mask.

That man is believed to have robbed the same 7-Eleven Jan. 24 about 9:45 p.m. In both robberies, the man entered the store, brandished a handgun and demanded money from the cash register, according to an alert issued Tuesday.

The robber in last month's and in Tuesday's robbery was described as a white man between the ages of 20 and 29, standing between 5-foot-8 and 5-foot-11, wearing a blue hooded sweatshirt and the blue-and-red Spider-Man ski mask.

Anyone with information about the robberies is asked to call 911 or Area North detectives at 312-744-8263.